Quota Sampling

Quota Sampling involves dividing the population into predefined groups or quotas, and sample sizes are determined based on a pre-specified proportion. Quota sampling is cost-effective, especially when random response rates are lower than 50% or when no sampling frame is available. In online surveys, since there is no sample frame for the online population, quota sampling provides for a balanced sample profile. Well-crafted quotas can reduce bias by ensuring a well-spread sample. The bias decreases with quotas that are set more finely, although the trade-off is increased data collection costs.


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